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Page Title:
Table 2-1. Troubleshooting - Continued |
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 TM 10-3930-630-34
Table 2-1. Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4.
Check for grounded or open stator.
Replace stator (para 4-3).
Step 5.
Check for shorted or open diodes.
Replace diodes (para 4-3).
11. STARTER NOT OPERATING PROPERLY.
Step 1.
Check for damaged brush springs and worn brushes.
Replace springs and/or brushes (para 4-7).
Step 2.
Check for dirty or worn commutator.
Repair commutator or replace armature (para 4-7).
Step 3.
Check for worn or damaged drive assembly.
Repair or replace drive assembly (para 4-7).
Step 4.
Check for worn or broken teeth on flywheel ring gear.
Replace ring gear (para 4-7).
12. SERVICE BRAKE DOES NOT OPERATE PROPERLY.
Step 1.
Check master cylinder for wear and damage.
Repair or replace master cylinder (para 9-11).
Step 2.
Check wheel cylinders for wear and damage.
Repair or replace wheel cylinder (para 9-7).
13. STEERING DOES NOT OPERATE PROPERLY.
Step 1.
Check for worn or damaged steering cylinder.
Repair or replace steering cylinder (para 8-5).
Step 2.
Check steering valve for proper operation.
Adjust, repair or replace steering valve (para 8-9).
Step 3.
Check hydraulic pump for proper operation.
Adjust, repair or replace hydraulic pump (para 3-24).
14. LIFT MECHANISM DOES NOT OPERATE PROPERLY.
Step 1.
Check control valve operation.
Adjust,
repair or replace control valve (para 3-19).
Step 2.
Check lift cylinder operation.
Repair or replace lift cylinders (para 3-7 and 3-11).
Step 3.
Check hydraulic pump operation.
Repair or replace hydraulic pump (para 3-24).
15. TILT MECHANISM DOES NOT OPERATE PROPERLY.
Step 1.
Check tilt cylinder operation.
Repair or replace tilt cylinder (para 3-3).
Step 2.
Check control valve operation.
Repair or replace control valve (para 3-19).
Step 3.
Check hydraulic pump operation.
Repair or replace hydraulic pump (para 3-24).
16. SERVICE BRAKES DO NOT STOP TRUCK PROPERLY.
Step 1.
Check master cylinder operation.
Repair or replace master cylinder (para 9-11).
Step 2.
Check wheel cylinder operation.
Repair or replace wheel cylinder (para 9-7).
17. TRUCK DOES NOT STEER PROPERLY.
Step 1.
Check steering cylinder.
Repair or replace steering cylinder (para 8-5).
Step 2.
Check steering valve.
Repair or replace steering valve (para 8-9).
Step 3.
Check steering axle.
Adjust, repair or replace steering axle (para 10-3).
2-3
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